[Qemu-devel] [Bug 1821006] Re: qemu: Unsupported syscall: 382

[Alexey Gavrilov]

Yes, you are right the application works correctly. At least the result
is expected.

Vesion kernel
address@hidden:~$ uname -a
Linux unit6 4.9.0-8-rt-amd64 #1 SMP PREEMPT RT Debian 4.9.144-3.1 (2019-02-19) 
x86_64 GNU/Linux
Host debian 9
quest debian 10

quest glib version
address@hidden:/app# apt list | grep libc

WARNING: apt does not have a stable CLI interface. Use with caution in
scripts.

libc-bin/now 2.28-7 armhf [installed,local]
libc6/now 2.28-7 armhf [installed,local]

Examining the build source. I found an option
MIN_KERNEL_SUPPORTED := 3.2

I also tried to repeat through chroot. a message also appears.
https://wiki.debian.org/Arm64Qemu I use armhf.

qemu-debootstrap --arch=armhf --keyring 
/usr/share/keyrings/debian-archive-keyring.gpg --variant=buildd 
--exclude=debfoster buster  debian-armhf http://ftp.debian.org/debian
chroot debian-armhf/
apt-get install -y --no-install-recommends ca-certificates curl
...
debconf: falling back to frontend: Readline
Updating certificates in /etc/ssl/certs...
qemu: Unsupported syscall: 382
128 added, 0 removed; done.
Setting up libgssapi-krb5-2:armhf (1.17-2) ...
Setting up libcurl4:armhf (7.64.0-1) ...
Setting up curl (7.64.0-1) ...
Processing triggers for libc-bin (2.28-8) ...
Processing triggers for ca-certificates (20190110) ...
...

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https://bugs.launchpad.net/bugs/1821006

Title:
  qemu: Unsupported syscall: 382

Status in QEMU:
  New

Bug description:
  I used

  qemu-user-static/stable,stable,now 1:2.8+dfsg-6+deb9u5 amd64
  [installed]

  When I try to build an image of a docker for an arm, an error occurs.

  This affects the operation of applications.

  
  Dockerfile

  ARG ARCH
  FROM ${ARCH}/debian:buster-slim

  RUN \
      printf "Install dependencies...\n" && \
      apt-get update && \
      apt-get install -y --no-install-recommends ca-certificates curl

  RUN curl https://google.com

  EOF

  The command that I run

  docker build --build-arg ARCH=arm32v7 --file ./Dockerfile -t test .

  
  address@hidden:/lib/binfmt.d# cat qemu-arm-static.conf 
  
:qemu-arm:M::\x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x28\x00:\xff\xff\xff\xff\xff\xff\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\xfe\xff\xff\xff:/usr/bin/qemu-arm-static:F

  Here is a related discussion.
  https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=923479

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